@article{JTNB_2024__36_1_215_0,
     author = {Zhang, Ningchuan},
     title = {Congruences of {Eisenstein} series of level $\Gamma _1(N)$  via {Dieudonn\'e} theory of formal groups},
     journal = {Journal de th\'eorie des nombres de Bordeaux},
     pages = {215--249},
     year = {2024},
     publisher = {Soci\'et\'e Arithm\'etique de Bordeaux},
     volume = {36},
     number = {1},
     doi = {10.5802/jtnb.1277},
     mrnumber = {4788372},
     zbl = {07892783},
     language = {en},
     url = {https://www.numdam.org/articles/10.5802/jtnb.1277/}
}